Displaying #cassandra-dev/2017-04-05.log:

Wed Apr 5 00:00:27 2017  rustyrazorblade:that's me
Wed Apr 5 00:00:40 2017  exlt::)
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Wed Apr 5 03:06:19 2017  jasobrown:howdy rustyrazorblade - flame graphs good :)
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Wed Apr 5 14:12:05 2017  jkni:feel free to ping if you run into anything weird in the flamegraph process - I use them all the time
Wed Apr 5 14:27:06 2017  pcmanus:jeffj: there is certainly quite a bit of unpleasant bugs fixed in both 3.0 and 3.11, so I'd personally seriously consider releasing on both branches. But I'm lacking free time theses day so please don't rely too much on my nudging.
Wed Apr 5 14:28:19 2017  iamaleksey:I'd say do it too (3.11.0 at least)
Wed Apr 5 14:40:12 2017  aweisberg:rustyrazorblade: Nice, anything particular your looking to improve?
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Wed Apr 5 15:11:53 2017  rustyrazorblade:aweisberg: trying to id streaming perf issues
Wed Apr 5 15:28:06 2017  zanson:jeffj: +1 for releases, yes the "dealing with range tombstones during upgrade" bugs are pretty unpleasant
Wed Apr 5 15:28:33 2017  zanson:(if you are doing things that would trigger them)
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Wed Apr 5 17:45:11 2017  maedhroz:If OnCompletionRunnable in StreamReceiveTask fails immediately after cfs.addSSTables(readers) during the 2i build, there is clearly some stream session failing logic that gets run, but it seems like a subsequent repair actually wouldn't bring the 2i back up-to-date. Am I reading this correctly? (i.e. The SSTables are going to be there for the next round of Merkle tree building, etc.) (Let's say this is C* 3.10)
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Wed Apr 5 18:28:39 2017  paulomotta:maedhroz: that's right, I'm afraid you will need to manually run nodetool rebuild_index if you're unlucky to crash during 2i build
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Wed Apr 5 18:33:15 2017  maedhroz:thanks, paulomotta
Wed Apr 5 18:38:43 2017  paulomotta:maedhroz: #10130 if you want to fix it =D
Wed Apr 5 18:38:43 2017  CassBotJr:https://issues.apache.org/jira/browse/CASSANDRA-10130 (Reopened; Unresolved; Unscheduled): "Node failure during 2i update after streaming can have incomplete 2i when restarted"
Wed Apr 5 18:39:39 2017  jeffj:paulomotta: your jira-searching is unrivaled.
Wed Apr 5 18:39:50 2017  maedhroz::D
Wed Apr 5 18:40:51 2017  paulomotta::P
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Wed Apr 5 18:42:27 2017  paulomotta:jeffj: linking helps a ton so we should encourage that, I remembered 9308 and luckily 10310 was linked to it
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Wed Apr 5 20:14:13 2017  rustyrazorblade:yay, have flame graphs of C* working
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Wed Apr 5 21:18:35 2017  aweisberg:Stack depth was a problem for me with flame graphs, but I think it's was fixed at some point.
Wed Apr 5 21:19:00 2017  aweisberg:There was some hard coded number of frames where it would just truncate the stop of the stack so you end up with some garbage portion of the flame graph that isn't rooted properly.
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Wed Apr 5 23:38:55 2017  rustyrazorblade:aweisberg: it's a variable you can tweak. I think it's 128 by default but need to look closer at it
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